not been read his miranda right. there is a threat to public safety exemption and that gives them the a continue to question him and find out if there are additional threats hanging around out there, jaime. >> mike tobin, thank you very much. now over to greg. >> monday's deadly bombing is being called by some the first on a large scale since 9/11. does this raise questions about how good our national security really is? will we have to make some changes? joining us is kt mcfarland our national security analyst host of fox news live def con 3. hats off to everybody in-law enforcement. >> awesome. >> they did a great job here. law enforcement in general has done a good job in foiling other terror plots. the subway bombings in new york that were planned and foiled. >> time square, underwear bomber. >> it was a citizen that helped out on that one. the list goes on and on and on. they didn't stop this one in advance. what does this say about our national security if anything? >> you have to be right -- you know you have to be right 100% of the time and they only have to be right once.